\documentclass{article}
% translate with >> pdflatex -shell-escape <file>

% This file is used as unit test for pgfplots, copyright by Christian Feuersaenger.
% 
% See
%   http://pgfplots.sourceforge.net/pgfplots.pdf
% for pgfplots.
%
% Any required input files (for <plot table> or <plot file> or the table package) can be downloaded
% at
% http://www.ctan.org/tex-archive/graphics/pgf/contrib/pgfplots/doc/latex/
% and
% http://www.ctan.org/tex-archive/graphics/pgf/contrib/pgfplots/doc/latex/plotdata/

\usepackage{pgfplots}
\pgfplotsset{compat=newest}

\pagestyle{empty}

\begin{document}

\pgfkeys{/pgfplots/my style/.style={
		legend style={legend columns=2},
		grid style={draw=brown},
		grid=major,
		max space between ticks=25,
		name=a styled plot,
		y tick label style={/pgf/number format/fixed zerofill,/pgf/number format/use comma,/pgf/number format/precision=3},
		tick label style={/pgf/number format/sci,/pgf/number format/sci e,font=\footnotesize},
		}
}%
\begin{tikzpicture}
	\begin{axis}[my style]

	\addplot plot[id=styledplot] function{(40*x**2 - 5*x +3)/2000};
	\addlegendentry{$\frac{1}{2000}(40x^2 - 5x +3)$}
		
	\addplot plot[id=styledplot2] function{(x**5 - 3)/2000};
	\addlegendentry{$\frac{1}{2000}(x^5 - 3)$}
		
	\end{axis}
\end{tikzpicture}
\end{document}
